<template>
    <div class="icons">
        <swiper :options="swiperOptions">
            <swiper-slide 
                v-for="(page,index) of pages" :key="index"
            >
                <div 
                    class="icon" 
                    v-for="item of page" 
                    :key="item.id"
                >
                <div class="icon-img">
                <img class="icon-img-content" :src="item.imgUrl">
                </div>
                <p class="icon-desc">{{ item.desc }}</p>
            </div> 
            </swiper-slide>
            </swiper>
        </div>
</template>

<script>
export default {
    name: 'HomeIcons',
    props: {
        list: Array
    },
    data () {
        return {
            swiperOptions: {
                autoplay: false
            }
        }
    },
    computed: {
        pages () {
            const pages = []
            this.list.forEach((item,index) => {
                const page = Math.floor(index / 8)
                if (!pages[page]) {
                    pages[page] = []
                }
                pages[page].push(item)
            })
            return pages
        }
    }
}
</script>

<style lang="stylus" scoped>
    @import '~styles/varibles.styl'
    @import '~styles/mixins.styl'
    .icons >>> .swiper-container
        height 0
        padding-bottom 50%
    .icons
        margin-top .1rem
        .icon 
            position relative
            overflow hidden
            float left
            width 25%
            height 0
            padding-bottom 25%
            .icon-img 
                position absolute
                top 0
                left 0
                right 0
                bottom .44rem
                box-sizing border-box
                padding .1rem
                .icon-img-content
                    display block
                    margin 0 auto
                    height 100%
            .icon-desc
                position absolute
                left 0
                right 0
                bottom 0rem
                height .44rem
                line-height .44rem
                color $darkTextColor
                text-align center
                ellipsis()
</style>